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Dolby pro logic, Troubleshooting guide, General – Aiwa AV-D55 User Manual

Page 20: Tuner section

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Outputs

Muting

General

Power requirements

Power consumption

Dimensions

(W X H X D)

Weight

AUDIO OUT (REG OUT): 220 mV (1

kohm)

VIDEO OUT (MONITOR): 1 Vp-p (75

ohms)

SUPER WOOFER: 1.2 V

FRONT SPEAKERS IMP: 8i2

(front speakers A and B): accepts

speakers of 8 ohms or more.

SURROUND SPEAKERS IMP: 80

(surround speakers): accepts

speakers of 8 ohms or more

CENTER SPEAKER IMP: 80: accepts

a speaker of 8 ohms or more.

PHONES (stereo jack): accepts

headphones of 32 ohms or more

-20 dB

120 VAC, 60 Hz

200 W
430

X

155

X

385 mm

(17x6Vs

x

15V4 in.

11.5 kg (25 lb 6 oz.)

Specifications and external appearance are subject to change

without notice.

DOLBY PRO LOGIC

Manufactured under license from Dolby Laboratories Licensing
Corporation.
“DOLBY” the double-D symbol □□ and ’’PRO LOGIC” are
trademarks of Dolby Laboratories Licensing Corporation.

TROUBLESHOOTING GUIDE

If the unit faiis to perform as described in these Operating

Instructions, check the following guide.

GENERAL

There is no sound.

• Is the AC cord connected properly?

• Is there an incorrect connection? (-► page 3)

• There may be a short circuit in the speaker terminals.

-+ Disconnect the AC cord, then correct the speaker

connections.

• Was an incorrect function button pressed?
• Was the TAPE MONITOR button pressed?
• Are the FRONT SPEAKERS A and B buttons set correctly?

(-♦ page 6)

Sound is emitted from one speaker only,

• Is the BALANCE set appropriately?
• Is the other speaker disconnected?

Sound is heard at a very low volume.

• Has the MUTING button been pressed?

An erroneous display or a malfunction occurs.

-4 Reset the unit as stated below.

TUNER SECTION

There is constant, wave-like static.

• Is the antenna connected properly? (-♦ page 5)
• Is the FM signal weak?

-» Connect an outdoor antenna.

The reception contains noise interference or the sound is
distorted.

• Is the system picking up external noise or multipath distortion?

-» Change the orientation of the antenna.
-» Move the unit away from other electrical appliances.

To reset

If an unusual condition in the display window or malfunction

occurs, reset the unit as follows.
1 Press the POWER button to turn off the power.

2 Press the POWER button while pressing the ENTER button.

Everything stored in memory after purchase is canceled.

If the power cannot be turned off in step 1 because of a
malfunction, reset by disconnecting the AC cord and carry out

step 2.

19

ENGLISH